Rang, O Is the electron wavelength an observable? [electronic resource] - Ultramicroscopy Apr 1977 - 149-51 p. digital Publication Type: Journal Article ISSN: 0304-3991 Standard No.: 10.1016/s0304-3991(76)90875-5 doi Subjects--Topical Terms: ElectronsMagneticsMicroscopy, Electron